Shorten error text of ECGOTHER

Let's reformat cgroup_strerror output from

	Cgroup generic error, error message: Device or resource busy

to shorter and clearer

	Device or resource busy

The patch assumes that _GNU_SOURCE is defined.

Signed-off-by: Jan Safranek <jsafrane@redhat.com>
Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>

diff --git a/src/api.c b/src/api.c
index 48476788cae27352be355da86cf302b0905d7cdd..fef0e761f919a93b13b0c0fdf82497b667bfe72f 100644 (file)
--- a/src/api.c
+++ b/src/api.c
@@ -2505,10 +2505,7 @@ char *cgroup_strerror(int code)
 {
        assert((code >= ECGROUPNOTCOMPILED) && (code < ECGSENTINEL));
        if (code == ECGOTHER) {
-               snprintf(errtext, MAXLEN, "%s, error message: %s",
-                       cgroup_strerror_codes[code % ECGROUPNOTCOMPILED],
-                       strerror(cgroup_get_last_errno()));
-               return errtext;
+               return strerror_r(cgroup_get_last_errno(), errtext, MAXLEN);
        }
        return cgroup_strerror_codes[code % ECGROUPNOTCOMPILED];
 }